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Table 7 BMI-for-age z scores relative to the international growth references for Pakistani primary school children aged five to twelve years

From: Height, weight and BMI percentiles and nutritional status relative to the international growth references among Pakistani school-aged children

Reference BMI-for-age z scores
  Mean 95% CI SD P valuea
Boys (n = 977)     
   WHO 2007 -0.30 -0.41 to -0.20 1.60 < 0.001
   USCDC 2000 -0.51 -0.61 to -0.42 2.00 < 0.001
   Present study 0.00 -0.05 to 0.07 1.00 0.803
Girls (n = 883)     
   WHO 2007 -0.34 -0.43 to -0.25 1.40 < 0.001
   USCDC 2000 -0.54 -0.63 to -0.44 1.44 < 0.001
   Present study 0.00 -0.07 to 0.07 1.00 0.999
Total (n = 1860)     
   WHO 2007 -0.32 -0.39 to -0.25 1.51 < 0.001
   USCDC 2000 -0.53 -0.59 to -0.46 1.48 < 0.001
   Present study 0.00 -0.04 to 0.04 0.99 0.859
  1. a P values are for mean difference from zero for BMI-for-age z scores (obtained from the study data) relative to the WHO 2007 and USCDC 2000 references, and present study